859920 - Product Details

  • Front Dim Drawing
    859920 Front Dim Drawing
  • Rear Dim Drawing
    859920 Rear Dim Drawing
  • Side Dim Drawing
    859920 Side Dim Drawing
Product Specifications
Spec Value
Item number 859920
Sales number N/A
Series number OTHER SM NA
Notes Private Label Cummins
System voltage 24
kW 4.5
Dimensions in MILLIMETERS
Housing coating N/A
UL Approved No
Pinion teeth  
Pinion pitch  
Pinion OD  
Pinion at rest 42.9
Span over 2 teeth  
Switch position 45°
Helper Relay  
Ignition terminal  
Battery terminal 3/8 UNC
Ground terminal  
Wetclutch No
Overcrank Protection No
Private Brand
This product is not available to the general aftermarket. Please contact a distributor near you or contact us for more information
Similar Product
Although this is a private branded unit, we have another model that is equivalent to 859920
MS4-500A Am Equivalent
Region Priority / Status
USA / Canada Limited (W)
United Kingdom / Europe Limited (W)
Product status
Status Number
Equivalent to MS4-500A
Technical Bulletin
Title / Link Description
LNS Family Service Manual Service manual for the LNS family of starter motors.
TSM4002-LNS_Family_Service_Manual.pdf (941 kb)
Other Numbers We Use
Type Number
National stocking number 2920-01-442-9410
Numbers Our Customers Use
CompanyPart number
Cross Reference Numbers
CompanyPart numberComment
CUMMINS 4078800  

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